![]() The bigger the wave, the louder the sound. The pitch of a sound is determined by the frequency of a sound wave. The number of complete wavelengths that pass a point in a given timeĪ tone's experienced highness or lowness. Opponent process cells have been located in the thalamus Some cells are stimulated by green and inhibited by red others are stimulated by red and inhibited by green. The theory that opposing retinal processes (red-green, yellow-blue, white-black) enable colour vision. ![]() The theory that the retina contains three different colour receptors- one most sensitive to red, one to green, and one to blue - which when stimulated in combination, can produce the perception of any colour The ability of people who are cortically blind due to lesions in their visual cortex to respond to visual stimuli they do not consciously see.Ĭertain stroke victims report seeing nothing when shown a series of sticks, yet they are able to correctly report whether the sticks are vertical or horizontal Example: Perceiving the colour, motion, and form of a bird in flight The human ability to speedily recognize familiar objects. Two separate brain regions process information about faces and objects Teams of cells that fire in response to complex patterns, such as the human face. These are located in the occipital lobe, pass information to other cortical areas where complex patterns are processed by supercell clusters Nerve cells in the brain's visual cortex that fire in response to specific angles, lines, and angles. Unit 4 Test Review Sensation & Percpetion Part 2 Term
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